ux: main tab bar style #3850

Job	Run time
Prepare version string	7s
Build / Build Windows ARM64	3m 57s
Build / Build macOS (Intel)	7m 24s
Build / Build Linux	3m 29s
Build / Build macOS (Apple Silicon)	3m 18s
Build / Build Linux (arm64)	3m 28s
Build / Build Windows x64	3m 58s
Package / Package Windows (win-x64)	23s
Package / Package Windows (win-arm64)	23s
Package / Package macOS (osx-x64)	22s
Package / Package macOS (osx-arm64)	21s
Package / Package Linux (linux-arm64)	1m 6s
Package / Package Linux (linux-x64)	57s
	29m 13s

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